CN104418577B - A kind of aerosil is modified the preparation method of external thermal insulation block of glass wool - Google Patents
A kind of aerosil is modified the preparation method of external thermal insulation block of glass wool Download PDFInfo
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- CN104418577B CN104418577B CN201310398221.4A CN201310398221A CN104418577B CN 104418577 B CN104418577 B CN 104418577B CN 201310398221 A CN201310398221 A CN 201310398221A CN 104418577 B CN104418577 B CN 104418577B
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Abstract
The invention discloses the preparation method that a kind of aerosil is modified external thermal insulation block of glass wool, it is characterized in first preparing improved silica aeroge slurry, the raw material of improved silica aeroge slurry is, aerosil, modifying agent, surfactant and solvent, wherein, modifying agent is Silane coupling agent KH550, KH560 or KH570；Surfactant is Tween 80；Solvent is deionized water or second alcohols solvent；After modified aerosil slurry makes, block of glass wool is handled with it.It is 0.020W/ (MK) that it is low, which to be modified external thermal insulation block of glass wool thermal conductivity factor, for the aerosil of the present invention, and existing block of glass wool thermal conductivity factor is 0.038W/ (MK)；By modified block of glass wool temperature tolerance 650 DEG C are brought up to by 400 DEG C；By reducing its thermal conductivity factor, the thickness of block of glass wool about 50% can be reduced, worker's efficiency of construction can be greatly enhanced, reduces integrated cost.
Description
Technical field
Invention is related to the preparation method of external thermal insulation block of glass wool, concretely, is related to a kind of silica airsetting
Glue is modified the preparation method of external thermal insulation block of glass wool.
Technical background
Currently used wall heat insulation material is broadly divided into inorganic and organic two class, organic material light weight, is incubated, is heat-insulated
The defects of effect is good, but its is maximum is that fire savety is poor, easy firing, and smog is big, toxicity is big when burning, safety in utilization not
Such as inorganic heat insulation material.Inorganic heat insulation material fire protecting performance is good, and not toxic, and its application is more and more extensive.
The one kind of block of glass wool as inorganic heat insulation material, it is fibrosis will to be carried out after glass melting, is bonded by adding
Agent solidification is process.Block of glass wool is widely used in external wall, plays insulation, heat-insulated, sound-absorbing, Noise Reduction.As outer
The existing block of glass wool thermal conductivity factor of wall insulation is high, and generally 0.038W/ (MK), heat insulation effect is undesirable, it is difficult to meets
The requirement of the standard of building energy conservation 75%；Heat-resisting quantity is relatively low, is 400 DEG C, using limited；And to reach thermal requirements, it is necessary to increase
The thickness of block of glass wool, therefore add difficulty of construction and construction cost.
The content of the invention
The purpose of invention is to reduce the thermal conductivity factor of existing external wall outer insulation block of glass wool, improves its heat insulation effect.
Meanwhile by reducing its thermal conductivity factor, to reduce the thickness of block of glass wool, so as to improve worker's efficiency of construction, reduce synthesis and apply
Work cost.
It is first to prepare modified dioxy to realize that a kind of aerosil is modified external thermal insulation with the preparation method of block of glass wool
SiClx aeroge slurry, then handle block of glass wool with improved silica aeroge slurry.
First, prepared by improved silica aeroge slurry
The raw material of improved silica aeroge slurry is first selected, and is prepared by following weight (%)：
Wherein, modifying agent is Silane coupling agent KH550, KH560 or KH570；Surfactant is Tween 80；Solvent is to go
Ionized water；
After improved silica aeroge slurry raw material proportioning is selected, follow these steps to make：
(1) surfactant and solvent are added in agitator tank, with 500-800 revs/min of 10-20 points of speed stirring
Clock, make surfactant dispersed in a solvent；
(2) aerosil is added in the surfactant being stirred and solvent mixed liquor, with 500-800
Rev/min speed stirring 30-60 minutes, prepare finely dispersed aerosil slurry；
(3) modifying agent is added into finely dispersed aerosil slurry, is stirred with 500-800 revs/min of speed
20-30 minutes are mixed, prepare modified aerosil slurry.
2nd, block of glass wool is handled with modified aerosil slurry：
After modified aerosil slurry makes, it is poured into ready container, block of glass wool is whole
Infiltration wherein, after 20-40 minutes is taken out and is placed on dividing plate, after being flowed out there is no slurry, is inserted in drying baker, at 30-80 DEG C
At a temperature of by infiltrate aerosil block of glass wool dry 24-48 hours to being completely dried, that is, obtain silica
Aeroge is modified external thermal insulation block of glass wool.
Aerosil modification external thermal insulation compared with existing block of glass wool, has advantages below with block of glass wool：
(1) thermal conductivity factor is low, is 0.020W/ (MK), and existing block of glass wool thermal conductivity factor is 0.038W/ (MK)；
(2) heat resistance is good, and 650 DEG C are brought up to by 400 DEG C by modified block of glass wool temperature tolerance；
(3) efficiency of construction is high, by reducing its thermal conductivity factor, can reduce the thickness of block of glass wool about 50%, can be greatly
Worker's efficiency of construction is improved, reduces integrated cost.
Embodiment
Example 1
Improved silica aeroge slurry is prepared first, and its composition of raw materials is prepared by following weight (%)：
After improved silica aeroge slurry raw material proportioning is selected, specific production technology is carried out：
(1) Tween 80 as surfactant and the deionized water as solvent are added in agitator tank, with 500
Rev/min speed stir 10 minutes, make surfactant dispersed in a solvent；
(2) aerosil is added in the surfactant being stirred and solvent mixed liquor, with 600 revs/min
Speed stir 45 minutes, prepare finely dispersed aerosil slurry；
(3) Silane coupling agent KH550 as modifying agent is added into finely dispersed aerosil slurry, with
500 revs/min of speed stirs 30 minutes, prepares improved silica aeroge slurry；
After improved silica aeroge slurry makes, the improved silica aeroge slurry made is poured into and is ready to
Container in, by block of glass wool all infiltration wherein, after 40 minutes take out be placed on dividing plate, after there is no slurry flow out after, put
Enter in drying baker, the block of glass wool for infiltrating aerosil dried 48 hours to being completely dried at a temperature of 50 DEG C,
Obtain aerosil modification exterior wall external thermal insulation block of glass wool.
Claims (2)
1. a kind of aerosil is modified the preparation method of external thermal insulation block of glass wool, it is characterised in that：First prepare modification
Aerosil slurry, then handle block of glass wool with improved silica aeroge slurry：
First, prepared by improved silica aeroge slurry
Prepared from the raw material of improved silica aeroge slurry, and by following weight (%)：
Wherein, modifying agent is Silane coupling agent KH550, KH560 or KH570；Surfactant is Tween 80；Solvent is deionization
Water；
After improved silica aeroge slurry raw material proportioning is selected, follow these steps to make：
(1) surfactant and solvent are added in agitator tank, 10-20 minutes is stirred with 500-800 revs/min of speed, made
Surfactant is dispersed in a solvent；
(2) aerosil is added in the surfactant being stirred and solvent mixed liquor, with 500-800 revs/min
Speed stirring 30-60 minutes, prepare finely dispersed aerosil slurry；
(3) modifying agent is added into finely dispersed aerosil slurry, 20- is stirred with 500-800 revs/min of speed
30 minutes, prepare modified aerosil slurry；
2nd, block of glass wool is handled with modified aerosil slurry：
After modified aerosil slurry makes, it is poured into ready container, block of glass wool is all infiltrated
Wherein, take out and be placed on dividing plate after 20-40 minutes, after being flowed out there is no slurry, inserted in drying baker, in 30-80 DEG C of temperature
The block of glass wool for infiltrating aerosil is dried into 24-48 hours to being completely dried under degree, that is, obtains silica airsetting
Glue is modified external thermal insulation block of glass wool.
2. a kind of aerosil according to claim 1 is modified the preparation method of external thermal insulation block of glass wool, its
It is characterised by：Improved silica aeroge slurry is prepared first, and its composition of raw materials is prepared by following weight (%)：
After improved silica aeroge slurry raw material proportioning is selected, specific production technology is carried out：
(1) Tween 80 as surfactant and the deionized water as solvent are added in agitator tank, with 500 revs/min
Speed stir 10 minutes, make surfactant dispersed in a solvent；
(2) aerosil is added in the surfactant being stirred and solvent mixed liquor, with 600 revs/min of speed
Degree stirring 45 minutes, prepares finely dispersed aerosil slurry；
(3) Silane coupling agent KH550 as modifying agent is added into finely dispersed aerosil slurry, with 500
Rev/min speed stir 30 minutes, prepare improved silica aeroge slurry；
After improved silica aeroge slurry makes, the improved silica aeroge slurry made is poured into ready appearance
In device, block of glass wool is all infiltrated wherein, take out and be placed on dividing plate after 40 minutes, after being flowed out there is no slurry, insert baking
In dry case, the block of glass wool for infiltrating aerosil is dried 48 hours to being completely dried at a temperature of 50 DEG C, produced
To aerosil modification exterior wall external thermal insulation block of glass wool.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310398221.4A CN104418577B (en) | 2013-09-05 | 2013-09-05 | A kind of aerosil is modified the preparation method of external thermal insulation block of glass wool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310398221.4A CN104418577B (en) | 2013-09-05 | 2013-09-05 | A kind of aerosil is modified the preparation method of external thermal insulation block of glass wool |
Publications (2)
| Publication Number | Publication Date |
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| CN104418577A CN104418577A (en) | 2015-03-18 |
| CN104418577B true CN104418577B (en) | 2018-02-16 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365138B (en) * | 2017-09-06 | 2020-04-07 | 建研科技股份有限公司 | Method for preparing silicon dioxide aerogel/vitrified microsphere/water glass composite thermal insulation material and thermal insulation material prepared by method |
| CN109456066B (en) * | 2018-10-29 | 2021-08-27 | 郑州远东耐火材料有限公司 | Preparation method of flexible electric arc furnace sealing heat-insulating material |
| CN109517362A (en) * | 2018-11-05 | 2019-03-26 | 重庆市晨誉建材有限公司 | A kind of novel centrifugal thermal insulation material and preparation method thereof |
| CN110240455A (en) * | 2019-07-08 | 2019-09-17 | 安徽恒兴新型建材有限公司 | A kind of new building insulation material that thermal coefficient is low |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102719129A (en) * | 2012-07-05 | 2012-10-10 | 河南工业大学 | Preparation method of silica aerogel aqueous heat-insulating coating |
| CN102910841A (en) * | 2012-11-23 | 2013-02-06 | 湖北菲利华石英玻璃股份有限公司 | Quartz glass fiber reinforced textile size |
| CN103058622A (en) * | 2013-01-15 | 2013-04-24 | 赵峰 | Inorganic thermal insulation material and preparation method thereof |
| KR101287805B1 (en) * | 2011-08-25 | 2013-08-07 | 주식회사 세운티.엔.에스 | An aerogel binder for forming insulating materials of glass long fibers and forming process of insulating materials thereby |
-
2013
- 2013-09-05 CN CN201310398221.4A patent/CN104418577B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101287805B1 (en) * | 2011-08-25 | 2013-08-07 | 주식회사 세운티.엔.에스 | An aerogel binder for forming insulating materials of glass long fibers and forming process of insulating materials thereby |
| CN102719129A (en) * | 2012-07-05 | 2012-10-10 | 河南工业大学 | Preparation method of silica aerogel aqueous heat-insulating coating |
| CN102910841A (en) * | 2012-11-23 | 2013-02-06 | 湖北菲利华石英玻璃股份有限公司 | Quartz glass fiber reinforced textile size |
| CN103058622A (en) * | 2013-01-15 | 2013-04-24 | 赵峰 | Inorganic thermal insulation material and preparation method thereof |
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